The Online Library of Knowledge


Modern trains A-Z

Bogie   A structure fitted beneath a carriage, wagon or locomotive, to which two or three pairs of wheels are attached. A bogie absorbs shocks and helps the train to turn corners. Also known as truck. 

Diesel-electric locomotive   A modern train in which the wheels are driven by electric motors, but the electricity is generated by a diesel engine. Because it provides its own power, a diesel-electric locomotive can run on any track. 
